| 词汇 | anthracite |
| 词根词缀 | 词源： "non-bituminous coal," 1812, earlier (c.1600) a type of ruby-like gem described by Pliny, from L. anthracites "bloodstone, semi-precious gem," from Gk. anthrakites "coal-like," from anthrax (gen. anthrakos) "live coal" (see anthrax). |
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